Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
de afrique » de l'afrique, en afrique, l afrique
a das » 1 das, 3 das, _ das
2 das » 1 das

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "typology des variation _ jobs crisis communication ((a das) OR (2 das)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology des variation _ jobs crisis communication ((a das) OR (2 das)) developpement de afrique.*.